Associated Press
FILE - In this Aug. 9, 2014 file photo, a fuel nozzle for E-85, left, and traditional gasoline is seen at a gas station in Batesville, Miss. The Obama administration is boosting the amount of corn-based ethanol and other renewable fuels in the U.S. gasoline supply. That's despite sustained opposition by an unusual alliance of oil companies, environmentalists and some GOP presidential candidates. (AP Photo/Rogelio V. Solis, File)

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